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CCO (Chromium Carbide Overlay) Wear Plates

Chromium Carbide Overlay (CCO) wear plates are composite materials designed for high-wear environments, featuring a base metal layer and a hard overlay layer rich in chromium carbide. They provide exceptional hardness, wear resistance, and temperature resistance, making them suitable for various industries including cement, steel, and mining. CCO wear plates are essential for extending the service life of components and reducing maintenance costs in equipment subjected to significant abrasion and impact.

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Jonaid Ahmad
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27 views9 pages

CCO (Chromium Carbide Overlay) Wear Plates

Chromium Carbide Overlay (CCO) wear plates are composite materials designed for high-wear environments, featuring a base metal layer and a hard overlay layer rich in chromium carbide. They provide exceptional hardness, wear resistance, and temperature resistance, making them suitable for various industries including cement, steel, and mining. CCO wear plates are essential for extending the service life of components and reducing maintenance costs in equipment subjected to significant abrasion and impact.

Uploaded by

Jonaid Ahmad
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PPTX, PDF, TXT or read online on Scribd
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CCO (Chromium Carbide Overlay) wear plates

Chromium Carbide Overlay (CCO) wear plates are composite materials designed
for high-wear environments. They consist of a base metal layer, typically mild
steel or low-carbon steel, and a hard overlay layer that contains high
concentrations of chromium carbide. The overlay is created using a welding or
thermal spraying process, depositing the hard, abrasion-resistant layer on the
base.
Composition and Properties of CCO.

Chromium (Cr): 25–35% (primary alloying element for carbide formation).


Carbon ©: 3–5% (essential for carbide formation; forms chromium carbide, Cr7C3 or
Cr3C2).
Manganese (Mn): 1–3% (improves toughness and wear resistance).
Silicon (Si): 0.5–2% (used as a deoxidizer during welding)
Properties:
Hardness: Typically ranges from 55-65 HRC in the overlay layer due to the presence of
chromium carbides (Cr7C3).
Wear Resistance: Highly resistant to abrasion, sliding, and impact wear.
Temperature Resistance: Can withstand temperatures up to 600–800°C, depending on the
specific composition.
APPLICATIONS
INDUSTRIES INCLUDE
CEMENT,
STEEL
PWER GENERATION
GLASS
PULP & PAPER
WASTE INCINERATION AND MINING.
WEAR IS EVERYWHERE

Industrial processing is very frequently linked to wear,


of varying degrees and types. Here’s an indicative list of
components and equipment typically requiring wear
protection solutions due to significant abrasion, erosion
and/ or impact in the respective mechanical processes.
 ADVANTAGES
 service life of components
1. maintenance costs.
Milling / Crushing

Mills including vertical, roller, ball, hammer, impact


mills (rolls, Liners, Blades, Casings)
Shredders
Hammers
Slag breakers
Gyratory Crusher Mantles
 Roller Presses
Separation & Purification

 Cyclones/ Centrifugal fans


 Screening Deck Plates
 Sieves
 Extractors
 Deflectors
 Sand preparation plants
Excavation / Construction

Earthmoving equipment
 Scrapers
 Excavatorteeth,
Bucket teeth
 Cement pumps
 Track hoppers
Cement & Concrete

 Cement is used in almost all construction projects globally. Its


production process comprises a series of steps- from raw
material extraction all the way to clinker mixing and storing,
most of which are subject to harsh abrasion. Massive material
flows create a considerable strain for equipment and tools, thus
professional wear protection becomes critical.
 There is an opportunity as provider of wear protection Solutions
for the Cement and Concrete Industries, extending the usable
life of equipment and minimizing maintenance costs.
 Wear parts are manufactured-to-order using optimized Hard facing process,
delivering a superior performance-to-cost ratio, for a range of equipment
such as

1. Vertical Roller Mills Guide vanes


Chutes and hoppers
2. Mill Rollers
Conveyors
3. Grinding tables Scraper parts
4. Mill Casings Funnels and pipes
Sieves and screens
5. Crown 1. Cement mixers
6. Cones
7. Centrifugal fans &
casings
8. Cyclones

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